Imerimandroso weather in May

In May, Imerimandroso sees average daytime highs of 24°C and overnight lows near 16°C, with 23 mm of rain across 5.9 wet days and about 11.2 hours of daylight. It is the 8th-warmest and 7th-wettest month of the year here.

Highs ease over the month, from about 25°C in the first days to 23°C by the end. The sky is clear or mostly clear about 21% of the time in May, and the air most often feels humid.

Daylight stretches from about 11 h 24 min at the start of May to 11 hours by month's end. Set against the rest of the year, May is Imerimandroso's 4th-clearest and 8th-windiest month. For the whole year in context, see Imerimandroso's year-round climate.

Daytime high
24°
8th warmest
Overnight low
16°
6th coldest
Rainfall
23 mm
5.9 wet days
Daylight
11 h 12 min
6:06 AM – 5:17 PM
Cloud cover
59%
4th clearest
Wind
10 km/h
8th windiest
Solar energy
3.81 kWh/m²
Travel score
7.6
out of 10

Temperature in May

Average highAverage lowShaded bands: 10–90% of days

Highs ease over the month, from about 25°C in the first days to 23°C by the end.

A typical May day in Imerimandroso reaches about 24°C in the afternoon and slips back to 16°C overnight — a 8°C spread between the day's warmth and the night's chill. On most days the high lands between 22°C and 27°C. Set against its neighbours, May runs about 2°C cooler than April and about 2°C warmer than June.

10°15°20°25°30°151015202531
Avg high (°C)Avg low (°C)
12517
22517
32517
42517
52517
62517
72517
82517
92517
102517
112517
122516
132516
142416
152416
162416
172416
182416
192416
202416
212416
222416
232415
242415
252415
262415
272415
282315
292315
302315
312315

Imerimandroso weather by month

How May compares with the rest of the year at a glance. May is the 8th-warmest and 7th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°C)Rainfall (mm)Wet daysDaylight (hours)Travel score
Jan27° / 20°28823.912.94.2
Feb27° / 20°25022.212.64.2
Mar27° / 19°16719.212.15.0
Apr26° / 18°449.911.66.6
May24° / 16°235.911.27.6
Jun22° / 14°123.3117.5
Jul21° / 13°143.411.17.3
Aug22° / 13°102.811.47.6
Sep23° / 14°82.211.98.2
Oct26° / 16°184.512.47.7
Nov28° / 17°488.712.86.6
Dec28° / 19°16517.3135.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 21% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 25% of May, with mostly cloudy or overcast conditions the remaining 54%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14951
24852
34852
44753
54852
64852
74852
84753
94753
104753
114654
124654
134654
144456
154456
164456
174456
184555
194456
204456
214456
224555
234555
244555
254555
264654
274654
284753
294753
304852
314852

Chance of precipitation in May

Any precipitation

Imerimandroso gets around 23 mm of rain over 5.9 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 18% and peaks near 22% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%151015202531
Rain chance (%)
121
221
321
421
522
622
722
822
922
1022
1122
1222
1321
1421
1520
1619
1718
1818
1917
2016
2115
2215
2314
2414
2514
2613
2713
2813
2913
3012
3112

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

Most of May feels humid — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, May lands in the humid band about 59% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)
10147214
20157312
30157411
40167410
5016759
6017758
7118738
8119737
9120727
10122716
11124696
12126685
13228655
14230644
15232624
16234604
17336583
18338563
19340543
20342532
21443512
22445501
23446491
24447481
25548471
26549451
27550441
28651421
29652411
30754390
31855370

Wind in May

Winds average 10 km/h in May.

Across May, daily wind ranges from about 10 km/h on the calmest days to 10 km/h at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (km/h)Feels
110calm
210calm
310calm
410calm
510calm
610calm
710calm
810calm
910calm
1010calm
1110calm
1210calm
1310calm
1410calm
1510calm
1610calm
1710calm
1810calm
1910calm
2010calm
2110calm
2210calm
2310calm
2410calm
2510calm
2610calm
2710calm
2810calm
2910calm
3010calm
3110calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 11 h 24 min at the start of May to 11 hours by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 24 minutes over May. Sunrise moves from 6:02 AM to 6:12 AM, and sunset from 5:24 PM to 5:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.46:025:24
211.46:025:24
311.46:025:23
411.36:025:23
511.36:035:22
611.36:035:22
711.36:035:21
811.36:045:21
911.36:045:20
1011.36:045:20
1111.26:055:19
1211.26:055:19
1311.26:055:19
1411.26:065:18
1511.26:065:18
1611.26:065:17
1711.26:075:17
1811.26:075:17
1911.26:075:17
2011.16:085:16
2111.16:085:16
2211.16:095:16
2311.16:095:16
2411.16:095:15
2511.16:105:15
2611.16:105:15
2711.16:105:15
2811.16:115:15
2911.16:115:15
3011.16:115:14
3111.06:125:14

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 3.81 kWh/m².

For context, solar energy here swings from a low near 3.29 kWh/m² to a high of 6.32 kWh/m² in November across the year — May's 3.81 kWh/m² sits near the bottom.

012345151015202531
Solar energy (kWh/m²)Level
14.2Bright
24.2Bright
34.1Bright
44.1Bright
54.1Bright
64.0Bright
74.0Bright
84.0Moderate
94.0Moderate
103.9Moderate
113.9Moderate
123.9Moderate
133.9Moderate
143.8Moderate
153.8Moderate
163.8Moderate
173.8Moderate
183.8Moderate
193.7Moderate
203.7Moderate
213.7Moderate
223.7Moderate
233.7Moderate
243.7Moderate
253.6Moderate
263.6Moderate
273.6Moderate
283.6Moderate
293.6Moderate
303.6Moderate
313.5Moderate
Planning a trip in May

Hazard calendar for Imerimandroso

In seasonPeak

None of Imerimandroso's seasonal hazards are active in May. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Imerimandroso sits in the South Indian Ocean cyclone belt; the season peaks January–March.

Imerimandroso's monsoon runs December–March, when most of the year's rain falls.

Cyclone
Monsoon
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is May a good time to visit Imerimandroso?

Our two travel scores rate May for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

7.6
Sightseeing
3rd-best month of the year
6.5
Beach & pool
4th-best month of the year

May is one of the better times to visit Imerimandroso for general sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Imerimandroso in May

From May's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In May, Imerimandroso sees daytime highs around 24°C and nights near 16°C. Worth packing: light clothes. About 6 days see rain.

light clothes

UV index in Imerimandroso in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Imerimandroso peaks around February 10 at about 16 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near June 18 at about 7 (very high).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecExtremeVery highExtremeFeb 10UV 16Jun 18UV 7
UV index (midday)Level
Jan16Extreme
Feb16Extreme
Mar14Extreme
Apr11Extreme
May9Very high
Jun7High
Jul8Very high
Aug10Very high
Sep12Extreme
Oct13Extreme
Nov13Extreme
Dec15Extreme

Air quality in Imerimandroso in May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May falls, not just the annual average.

Air quality in Imerimandroso is worst in November — around 43 µg/m³ PM2.5 (poor), about 7.4× the cleanest month (January, 6 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0204060JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateNov 1440 µg/m³Jan 246 µg/m³
PM2.5 (µg/m³)Level
Jan6Good
Feb6Good
Mar6Good
Apr6Good
May8Good
Jun7Good
Jul7Good
Aug7Good
Sep8Good
Oct22Moderate
Nov43Poor
Dec10Good
Location & terrain

Where is Imerimandroso?

Imerimandroso sits at 17.4°S, 48.6°E, 755 m above sea level, in Madagascar. The nearest listed city is Amparafaravola, 42 km away.

Fenoarivo Atsinanana

Topography around Imerimandroso

How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Imerimandroso.

Within 3 km, the terrain around Imerimandroso has only modest variations in elevation — a maximum elevation change of 138 m around an average of 769 m above sea level; within 16 km, large variations in elevation — a maximum elevation change of 703 m; within 80 km, very significant variations in elevation — a maximum elevation change of 1,522 m.

The land around Imerimandroso is covered by water (36%), cropland (34%) and grassland (24%) within 3 km, grassland (41%) and cropland (34%) within 16 km, and grassland (51%) and trees (32%) within 80 km.

3 km
138 m
16 km
703 m
80 km
1,522 m
treesshrubsgrasslandcroplandartificial surfaceswaterwetland
May weather nearby: Amparafaravola 42 km · Andilamena 47 km · Ambatondrazaka 48 km · Vohibinany 49 km · Ambodimanga II 65 km · Vavatenina 66 km · Didy 76 km · Fenoarivo Atsinanana 88 km

Madagascar travel facts

Travel advisory
Level 2
Exercise Increased Caution
Power plugs
Type C / E
220 V · 50 Hz
Prices
≈ 31% of US
price level, 2025
GDP per capita
$599
2025
Happiness
4.2 / 10
World Happiness, 2025
Safe drinking water
22%
of population, 2024
Road deaths
29.2
per 100k/yr, 2019
Income group
Low
World Bank
English
Low
EF EPI 457
Religion
Church of Jesus Christ in Madagascar/Malagasy Lutheran Church/Anglican Church 34%Roman Catholic 32%none 22%other Christian 8%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Imerimandroso (-17.4333°, 48.5833°, elevation 755 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).